Home / 132,464.20-198,698.48-38,972.20

Finding the Fourth Proportional to 132,464.20, 198,698.48 and 38,972.20

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Solution

The fourth proportional to 132,464.20, 198,698.48 and 38,972.20 is: 58,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,464.20 : 198,698.48 = 38,972.20 : x
  2. Step 2: Convert to fraction form
    132,464.20/198,698.48 = 38,972.20/x
  3. Step 3: Cross multiply
    132,464.20x = 198,698.48 × 38,972.20
  4. Step 4: Simplify right side
    132,464.20x = 7,743,716,902.26
  5. Step 5: Solve for x
    x = 7,743,716,902.26/132,464.20
  6. Step 6: Final answer
    x = 58,458.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.